18331300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:325

約数の個数: 72

約数和(自身を含む): 43747200

約数和(自身を除く): 25415900

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 59, 65, 100, 118, 130, 236, 239, 260, 295, 325, 478, 590, 650, 767, 956, 1180, 1195, 1300, 1475, 1534, 2390, 2950, 3068, 3107, 3835, 4780, 5900, 5975, 6214, 7670, 11950, 12428, 14101, 15340, 15535, 19175, 23900, 28202, 31070, 38350, 56404, 62140, 70505, 76700, 77675, 141010, 155350, 183313, 282020, 310700, 352525, 366626, 705050, 733252, 916565, 1410100, 1833130, 3666260, 4582825, 9165650, 18331300]

約数ペア:

[(1, 18331300), (2, 9165650), (4, 4582825), (5, 3666260), (10, 1833130), (13, 1410100), (20, 916565), (25, 733252), (26, 705050), (50, 366626), (52, 352525), (59, 310700), (65, 282020), (100, 183313), (118, 155350), (130, 141010), (236, 77675), (239, 76700), (260, 70505), (295, 62140), (325, 56404), (478, 38350), (590, 31070), (650, 28202), (767, 23900), (956, 19175), (1180, 15535), (1195, 15340), (1300, 14101), (1475, 12428), (1534, 11950), (2390, 7670), (2950, 6214), (3068, 5975), (3107, 5900), (3835, 4780)]